HIGH 7.1 NVD
CVE-2026-73059
stoatchat before 0.15.0 contains a permission bypass vulnerability in the message_fetch route that checks only ViewChannel permission instead of requiring ReadM
stoatchat before 0.15.0 contains a permission bypass vulnerability in the message_fetch route that checks only ViewChannel permission instead of requiring ReadMessageHistory. Attackers with ViewChannel access but ReadMessageHistory denied can retrieve individual message content by ID, bypassing the intended history restriction enforced by bulk read routes.
References
- https://github.com/stoatchat/stoatchat/security/advisories/GHSA-8qp4-h9xf-2vqr
- https://www.vulncheck.com/advisories/stoatchat-before-permission-bypass-via-message-fetch
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-08-16 via NVD.
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